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////////////////////////////////////////////////////////////
//
// Implementation of plugin entry points (NPP_*)
// most are just empty stubs for this particular plugin
//
#include "IBasePlugin.hxx"
#include "np_commonFunc.hxx"

#include <util/StringUtil.hxx>

#define PLUGIN_NAME         "npRRPlugin"
#define PLUGIN_DESCRIPTION  PLUGIN_NAME " npRuntime RR plugin 1.0.0.1"

using namespace LNpPluginLib;
//-----------------------------------------------------------------------------------------
NPError NPP_Initialize(void)
{
   return NPERR_NO_ERROR;
}

void NPP_Shutdown(void)
{
   //DebugLog(<<"NPP_Shutdown");
}

// here the plugin creates an instance of our CPlugin object which
// will be associated with this newly created plugin instance and
// will do all the neccessary job
NPError NPP_New(NPMIMEType pluginType,
                NPP instance,
                uint16 mode,
                int16 argc,
                char* argn[],
                char* argv[],
                NPSavedData* saved)
{
   //DebugLog(<<"NPP_New");
   if(instance == NULL)
      return NPERR_INVALID_INSTANCE_ERROR;

   NPError rv = NPERR_NO_ERROR;

   IBasePlugin* pPlugin = NPP_GetPlugin(instance);
   if(pPlugin == NULL)
      return NPERR_OUT_OF_MEMORY_ERROR;


   instance->pdata = (void *)pPlugin;
   return rv;
}

// here is the place to clean up and destroy the CPlugin object
NPError NPP_Destroy (NPP instance, NPSavedData** save)
{
   //DebugLog(<<"NPP_Destroy");
   if(instance == NULL)
      return NPERR_INVALID_INSTANCE_ERROR;

   NPError rv = NPERR_NO_ERROR;

   IBasePlugin * pPlugin = (IBasePlugin *)instance->pdata;
   if(pPlugin != NULL)
   {
      pPlugin->shut();
      delete pPlugin;
      pPlugin = NULL;
   }
   return rv;
}

// during this call we know when the plugin window is ready or
// is about to be destroyed so we can do some gui specific
// initialization and shutdown
NPError NPP_SetWindow (NPP instance, NPWindow* pNPWindow)
{
   //DebugLog(<< __FUNCTION__);
   if(instance == NULL)
   {
      //DebugLog(<< "NPP_SetWindow | NPP: " << instance << " | NPWindow: " << pNPWindow);
   }
   else
   { 
      //DebugLog(<< "NPP_SetWindow | NPP: " << instance << " | NPWindow: " << "NULL");
   }
   if(instance == NULL)
      return NPERR_INVALID_INSTANCE_ERROR;

   NPError rv = NPERR_NO_ERROR;

   if(pNPWindow == NULL)
      return NPERR_GENERIC_ERROR;

   IBasePlugin * pPlugin = (IBasePlugin *)instance->pdata;

   if(pPlugin == NULL)
      return NPERR_GENERIC_ERROR;

   // window just created
   if(!pPlugin->isInitialized() && (pNPWindow->window != NULL))
   {
      //DebugLog(<< __FUNCTION__<<" | plugin is not initialize" );
      if(!pPlugin->init(pNPWindow))
      {
         //DebugLog(<< __FUNCTION__<<" | NPERR_MODULE_LOAD_FAILED_ERROR");
         delete pPlugin;
         pPlugin = NULL;
         return NPERR_MODULE_LOAD_FAILED_ERROR;
      }
   }

   // window goes away
   if((pNPWindow->window == NULL) && pPlugin->isInitialized())
   {
      return NPERR_NO_ERROR;
   }
   // window resized
   if(pPlugin->isInitialized() && (pNPWindow->window != NULL))
   {
      //DebugLog(<< "pPlugin->isInitialized() is true");
      return NPERR_NO_ERROR;
   }

   // this should not happen, nothing to do
   if((pNPWindow->window == NULL) && !pPlugin->isInitialized())
      return NPERR_NO_ERROR;

   return rv;
}

// ==============================
// ! Scriptability related code !
// ==============================
//
// here the plugin is asked by Mozilla to tell if it is scriptable
// we should return a valid interface id and a pointer to
// nsScriptablePeer interface which we should have implemented
// and which should be defined in the corressponding *.xpt file
// in the bin/components folder
NPError	NPP_GetValue(NPP instance, NPPVariable variable, void *value)
{
   NPError rv = NPERR_NO_ERROR;
   switch (variable)
   {
     case NPPVpluginNameString:
        *((char **)value) = PLUGIN_NAME;
        break;
     case NPPVpluginDescriptionString:
        *((char **)value) = PLUGIN_DESCRIPTION;
        break;
     case NPPVpluginScriptableNPObject:
        {
          if(instance == NULL)
             rv = NPERR_INVALID_INSTANCE_ERROR;
          else
          {
             IBasePlugin * plugin = (IBasePlugin *)instance->pdata;
             if(plugin == NULL)
                rv = NPERR_GENERIC_ERROR;
             else
                *(NPObject **)value = plugin->GetScriptableObject();
          }
        }
        break;
     default:
        rv = NPERR_GENERIC_ERROR;
   }
   return rv;
}

NPError NPP_NewStream(NPP instance,
                      NPMIMEType type,
                      NPStream* stream,
                      NPBool seekable,
                      uint16* stype)
{
   if(instance == NULL)
      return NPERR_INVALID_INSTANCE_ERROR;

   NPError rv = NPERR_NO_ERROR;
   return rv;
}

int32 NPP_WriteReady (NPP instance, NPStream *stream)
{
   if(instance == NULL)
      return NPERR_INVALID_INSTANCE_ERROR;

   int32 rv = 0x0fffffff;
   return rv;
}

int32 NPP_Write (NPP instance, NPStream *stream, int32 offset, int32 len, void *buffer)
{
   if(instance == NULL)
      return NPERR_INVALID_INSTANCE_ERROR;

   int32 rv = len;
   return rv;
}

NPError NPP_DestroyStream (NPP instance, NPStream *stream, NPError reason)
{
   if(instance == NULL)
      return NPERR_INVALID_INSTANCE_ERROR;

   NPError rv = NPERR_NO_ERROR;
   return rv;
}

void NPP_StreamAsFile (NPP instance, NPStream* stream, const char* fname)
{
   if(instance == NULL)
      return;
}

void NPP_Print (NPP instance, NPPrint* printInfo)
{
   if(instance == NULL)
      return;
}

void NPP_URLNotify(NPP instance, const char* url, NPReason reason, void* notifyData)
{
   if(instance == NULL)
      return;
}

NPError NPP_SetValue(NPP instance, NPNVariable variable, void *value)
{
   if(instance == NULL)
      return NPERR_INVALID_INSTANCE_ERROR;

   NPError rv = NPERR_NO_ERROR;
   return rv;
}

int16	NPP_HandleEvent(NPP instance, void* event)
{
   if(instance == NULL)
      return 0;

   int16 rv = 0;
   IBasePlugin * pPlugin = (IBasePlugin *)instance->pdata;
   if (pPlugin)
      rv = pPlugin->handleEvent(event);

   return rv;
}

//jref NPP_GetJavaClass (void)
//{
//  return NULL;
//}

NPObject *NPP_GetScriptableInstance(NPP instance)
{
   if(!instance)
      return 0;

   NPObject *npobj = 0;
   IBasePlugin * pPlugin = (IBasePlugin *)instance->pdata;
   if (!pPlugin)
      npobj = pPlugin->GetScriptableObject();

   return npobj;
}
